@import url('/assets/design-system.css');

:root {
  --max: 1180px;
  --article: 820px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 82% 3%, rgba(255, 90, 31, 0.13), transparent 30rem),
    var(--tv-ink);
  color: var(--tv-copy);
  font-family: var(--tv-body);
  line-height: 1.75;
}

.nav {
  position: sticky;
  z-index: 100;
  top: 0;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 0 max(20px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--tv-line);
  background: rgba(7, 7, 6, 0.84);
  backdrop-filter: blur(18px);
}

.nav > a:first-child {
  display: inline-flex;
  align-items: baseline;
  color: var(--tv-copy);
  font-family: var(--tv-display);
  font-size: 1.06rem;
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.nav > a:first-child span {
  color: var(--tv-orange);
}

.nav > a:first-child::after {
  width: 7px;
  height: 7px;
  margin-left: 7px;
  border-radius: 1px;
  background: var(--tv-green);
  box-shadow: 0 0 14px rgba(183, 255, 69, 0.55);
  content: '';
}

.nav-sub,
.nav > a:last-child {
  padding: 9px 11px;
  border: 1px solid var(--tv-line);
  border-radius: var(--tv-radius-xs);
  color: var(--tv-muted) !important;
  font-family: var(--tv-mono) !important;
  font-size: 0.67rem;
  font-weight: 700 !important;
  letter-spacing: 0.06em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-links a {
  display: inline-flex;
  min-height: 38px;
  align-items: center;
  padding: 8px 10px;
  border-radius: var(--tv-radius-xs);
  color: var(--tv-muted);
  font-family: var(--tv-mono);
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  text-decoration: none;
  text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a[aria-current='page'] {
  background: rgba(255, 255, 255, 0.045);
  color: var(--tv-copy);
}

.nav-links .nav-cta {
  margin-left: 4px;
  border: 1px solid rgba(255, 90, 31, 0.45);
  color: var(--tv-orange-hot);
}

main {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  width: min(calc(100% - 40px), var(--max));
  margin: 0 auto;
  padding: clamp(70px, 9vw, 126px) 0 120px;
}

main > .kicker,
main > h1,
main > .lead,
main > h3 {
  grid-column: 1 / -1;
}

.kicker,
.meta,
.post-meta {
  font-family: var(--tv-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kicker {
  margin: 0;
  color: var(--tv-green);
}

.kicker::before {
  margin-right: 7px;
  color: var(--tv-orange);
  content: '//';
}

h1 {
  max-width: 980px;
  margin: 8px 0 14px;
  font-family: var(--tv-display);
  font-size: clamp(3.4rem, 7vw, 7.4rem);
  font-weight: 700;
  letter-spacing: -0.07em;
  line-height: 0.9;
}

.lead {
  max-width: 720px;
  margin: 0 0 48px;
  color: var(--tv-muted);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

main > h3 {
  margin: 46px 0 0;
  color: var(--tv-muted);
  font-family: var(--tv-mono);
  font-size: 0.72rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.post-grid {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

main article {
  position: relative;
  display: flex;
  min-height: 365px;
  flex-direction: column;
  padding: 180px 24px 24px;
  overflow: hidden;
  border: 1px solid var(--tv-line);
  border-radius: var(--tv-radius);
  background: linear-gradient(145deg, rgba(24, 24, 20, 0.94), rgba(12, 12, 10, 0.96));
  transition: transform 180ms ease, border-color 180ms ease;
}

main article::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 156px;
  border-bottom: 1px solid var(--tv-line);
  background:
    linear-gradient(to top, rgba(8, 8, 7, 0.5), transparent),
    url('/assets/visuals/signal-forge.webp') center/cover;
  content: '';
  opacity: 0.76;
}

main article:nth-of-type(even)::before {
  background-image:
    linear-gradient(to top, rgba(8, 8, 7, 0.5), transparent),
    url('/assets/visuals/research-grid.webp');
}

main article:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 90, 31, 0.42);
}

main article h2 {
  margin: 6px 0 12px;
  font-family: var(--tv-display);
  font-size: clamp(1.35rem, 2.2vw, 2rem);
  letter-spacing: -0.04em;
  line-height: 1.08;
}

main article h2 a {
  color: var(--tv-copy);
  text-decoration: none;
}

main article h2 a::after {
  position: absolute;
  inset: 0;
  content: '';
}

main article h2 a:hover {
  color: var(--tv-orange);
}

main article p {
  margin: 0;
  color: var(--tv-muted);
  font-size: 0.92rem;
}

main article .meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  color: var(--tv-green);
}

.card-signals {
  position: absolute;
  z-index: 2;
  top: 132px;
  left: 18px;
  display: flex;
  gap: 6px;
  pointer-events: none;
}

.card-signal {
  padding: 5px 7px;
  border: 1px solid rgba(244, 241, 232, 0.2);
  border-radius: 999px;
  background: rgba(7, 7, 6, 0.88);
  color: var(--tv-copy);
  font-family: var(--tv-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.card-signal--featured {
  border-color: rgba(255, 90, 31, 0.48);
  color: var(--tv-orange-hot);
}

.read-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 22px;
  color: var(--tv-copy);
  font-family: var(--tv-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.read-link b {
  color: var(--tv-orange);
  font-size: 1rem;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 28px;
  border: 1px solid var(--tv-line);
  border-radius: var(--tv-radius);
  color: var(--tv-muted);
}

body > article {
  position: relative;
  width: min(calc(100% - 40px), var(--article));
  margin: 0 auto;
  padding: clamp(58px, 7vw, 92px) 0 120px;
}

body > article::before {
  display: none;
}

.post-header {
  display: grid;
  width: min(1080px, calc(100vw - 40px));
  grid-template-columns: minmax(0, 1.12fr) minmax(300px, 0.72fr);
  align-items: stretch;
  gap: clamp(28px, 5vw, 66px);
  margin: 0 0 clamp(44px, 6vw, 72px) 50%;
  transform: translateX(-50%);
}

.post-header-copy {
  display: flex;
  min-width: 0;
  justify-content: center;
  flex-direction: column;
}

.post-header .kicker {
  display: block;
  margin-bottom: 14px;
}

.post-header h1 {
  margin-bottom: 24px;
  font-size: clamp(2.8rem, 5.4vw, 5.2rem);
}

.post-cover {
  min-height: 350px;
  border: 1px solid var(--tv-line-strong);
  border-radius: var(--tv-radius-lg);
  background:
    linear-gradient(to top, rgba(7, 7, 6, 0.34), transparent 55%),
    url('/assets/visuals/research-grid.webp') center/cover;
  box-shadow: var(--tv-shadow);
}

.post-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--tv-muted);
}

.post-meta > * + *::before {
  margin-right: 10px;
  color: var(--tv-dim);
  content: '·';
}

.post-meta span:first-child {
  color: var(--tv-green);
}

.body {
  color: #d4d0c6;
  font-size: clamp(1rem, 1.4vw, 1.08rem);
}

.body p,
.body li {
  margin: 0 0 1.35rem;
}

.body h2 {
  margin: 3.4rem 0 1rem;
  color: var(--tv-copy);
  font-family: var(--tv-display);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.body h3 {
  margin: 2.7rem 0 0.9rem;
  color: var(--tv-copy);
  font-family: var(--tv-display);
  font-size: 1.35rem;
  letter-spacing: -0.025em;
}

.body a {
  color: var(--tv-orange-hot);
  text-underline-offset: 3px;
}

.body ul,
.body ol {
  padding-left: 1.35rem;
}

blockquote {
  margin: 2.2rem 0;
  padding: 20px 22px;
  border: 1px solid rgba(255, 90, 31, 0.22);
  border-left: 3px solid var(--tv-orange);
  border-radius: 0 var(--tv-radius-sm) var(--tv-radius-sm) 0;
  background: rgba(255, 90, 31, 0.035);
  color: var(--tv-copy);
  font-family: var(--tv-display);
  font-size: 1.22rem;
  line-height: 1.55;
}

.note {
  margin: 2.2rem 0;
  padding: 20px 22px;
  border: 1px solid rgba(183, 255, 69, 0.2);
  border-radius: var(--tv-radius);
  background: rgba(183, 255, 69, 0.035);
}

table {
  display: block;
  width: 100%;
  margin: 2rem 0;
  overflow-x: auto;
  border: 1px solid var(--tv-line);
  border-radius: var(--tv-radius-sm);
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  padding: 11px 13px;
  border-bottom: 1px solid var(--tv-line);
  text-align: left;
}

th {
  color: var(--tv-muted);
  font-family: var(--tv-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.share {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin: 22px 0 30px;
  padding: 14px;
  border: 1px solid var(--tv-line);
  border-radius: var(--tv-radius-sm);
  background: rgba(255, 255, 255, 0.018);
}

.share-label {
  margin-right: 5px;
  color: var(--tv-muted);
  font-family: var(--tv-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.share-btn {
  appearance: none;
  min-height: 34px;
  padding: 6px 9px;
  border: 1px solid var(--tv-line);
  border-radius: var(--tv-radius-xs);
  background: var(--tv-panel);
  color: var(--tv-copy);
  cursor: pointer;
  font: 600 0.72rem var(--tv-body);
  text-decoration: none;
}

.share-btn:hover {
  border-color: var(--tv-orange);
  color: var(--tv-orange-hot);
}

.share--compact {
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.share--compact .share-label {
  width: 100%;
  margin-bottom: 2px;
}

.post-end {
  margin-top: clamp(64px, 9vw, 100px);
  padding-top: 34px;
  border-top: 1px solid var(--tv-line);
}

.post-end .share {
  margin-top: 0;
}

.related {
  margin-top: 44px;
}

.related-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 15px;
}

.related-head a {
  color: var(--tv-muted);
  font-family: var(--tv-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  text-transform: uppercase;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.related-card {
  display: flex;
  min-height: 132px;
  justify-content: space-between;
  flex-direction: column;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--tv-line);
  border-radius: var(--tv-radius-sm);
  background: rgba(255, 255, 255, 0.018);
  color: var(--tv-copy);
  text-decoration: none;
}

.related-card:hover {
  border-color: rgba(255, 90, 31, 0.42);
}

.related-card span {
  color: var(--tv-green);
  font-family: var(--tv-mono);
  font-size: 0.59rem;
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.related-card strong {
  font-family: var(--tv-display);
  font-size: 1.05rem;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

.reading-progress {
  position: fixed;
  z-index: 101;
  top: 71px;
  right: 0;
  left: 0;
  height: 2px;
  background: transparent;
  pointer-events: none;
}

.reading-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--tv-orange), var(--tv-green));
  box-shadow: 0 0 12px rgba(183, 255, 69, 0.45);
}

.site-footer {
  border-top: 1px solid var(--tv-line);
  background: #050504;
}

.site-footer-inner {
  display: grid;
  width: min(calc(100% - 40px), var(--max));
  grid-template-columns: minmax(230px, 1fr) auto;
  align-items: start;
  gap: 26px 60px;
  margin: 0 auto;
  padding: 44px 0;
}

.footer-wordmark {
  display: inline-flex;
  align-items: baseline;
  color: var(--tv-copy);
  font-family: var(--tv-display);
  font-weight: 700;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.footer-wordmark span {
  color: var(--tv-orange);
}

.site-footer p,
.site-footer small {
  color: var(--tv-dim);
  font-size: 0.76rem;
}

.site-footer p {
  margin: 8px 0 0;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.site-footer nav a {
  color: var(--tv-muted);
  font-family: var(--tv-mono);
  font-size: 0.64rem;
  text-decoration: none;
  text-transform: uppercase;
}

.site-footer nav a:hover {
  color: var(--tv-copy);
}

.site-footer small {
  grid-column: 1 / -1;
}

@media (max-width: 760px) {
  .nav {
    min-height: 64px;
    padding-inline: 14px;
  }

  .nav-links {
    gap: 0;
  }

  .nav-links a {
    min-height: 36px;
    padding-inline: 7px;
    font-size: 0.58rem;
  }

  .nav-links .nav-cta {
    margin-left: 2px;
  }

  main {
    grid-template-columns: 1fr;
    width: min(calc(100% - 28px), var(--max));
    padding-top: 54px;
  }

  .post-grid {
    grid-template-columns: 1fr;
  }

  main article {
    min-height: 340px;
  }

  body > article {
    width: min(calc(100% - 28px), var(--article));
    padding-top: 42px;
  }

  .post-header {
    width: calc(100vw - 28px);
    grid-template-columns: 1fr;
    gap: 28px;
    margin-bottom: 42px;
  }

  .post-cover {
    min-height: 210px;
  }

  .share {
    align-items: stretch;
  }

  .share-label {
    width: 100%;
  }

  .share--compact {
    flex-wrap: nowrap;
    padding-bottom: 5px;
    overflow-x: auto;
  }

  .share--compact .share-label {
    display: none;
  }

  .share--compact .share-btn {
    flex: 0 0 auto;
  }

  .share--full {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .share--full .share-label {
    grid-column: 1 / -1;
  }

  .share--full .share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .reading-progress {
    top: 63px;
  }

  .site-footer-inner {
    width: min(calc(100% - 28px), var(--max));
    grid-template-columns: 1fr;
  }

  .site-footer small {
    grid-column: auto;
  }
}

@media (max-width: 520px) {
  .nav-links a:first-child,
  .nav-links a:nth-child(3) {
    display: none;
  }

  .share--full {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}